<%--
  Created by IntelliJ IDEA.
  User: 22276
  Date: 2021/9/18
  Time: 19:10
  To change this template use File | Settings | File Templates.
--%>
<%@ page contentType="text/html;charset=UTF-8" language="java" %>
<%@taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<html>
<head>
    <title>Title</title>
</head>
<body>
<%
    int a=5;
    request.setAttribute("a","123");
    session.setAttribute("a","456");
%>
<c:out value="${a}"></c:out>
</body>
</html>
